Mayfield has the mobility, accuracy and football IQ you look for, but concerns about his frame (listed at 6-foot-0, 205 pounds) and arm strength could make him a Day 3 prospect.

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The "Super QBs" in college football (0:54)

Jake Trotter ESPN Staff Writer

Former Oklahoma WR Dahu Green is transferring to Arkansas State, Red Wolves coach Blake Anderson revealed over social media Friday. Green had three career receptions with the Sooners. He will have to sit out the 2017 season, but then will have two years of eligibility left with the Red Wolves.

For the first time since 1947, new coaches will be on both sidelines when OU and Texas meet in the Cotton Bowl. As Lincoln Riley and Tom Herman take their turns in the rivalry, the stakes couldn't be any bigger.

The news of June 7 was so stunning, it was hard to believe, even for those inside the OU football program. Bob Stoops' retirement was a closely guarded secret. In the days before, the drama quietly unfolded.

Jake Trotter ESPN Staff Writer

Baker Mayfield has more career wins than any other returning QB in the country. But he calls the Oklahoma QB room "the best in the country" in part because of the other pieces. "Kyler Murray is the fastest player on our team. Austin Kendall is such a natural thrower." Murray and Kendall are still battling for the No. 2 job behind Mayfield."

It's rare when a Hall of Fame coach steps down in June and his team's promising outlook barely changes.

ESPN Stats & Information

Sooners heavy favorite to win Big 12

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According to ESPN's FPI, Oklahoma has a 72 percent chance to win the conference. Can Tom Herman surprise everyone and lead Texas back to prominence? Or will Mason Rudolph lead the high-powered Cowboys' offense to their first conference title since 2011?

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Jake Trotter ESPN Staff Writer

Oklahoma reserve guard Alex Dalton is out for the season with a knee injury he suffered off the field before the start of camp, coach Lincoln Riley said Thursday. The Sooners still have three reliable guards though in Dru Samia, Ben Powers and Cody Ford, who all started games last season.